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Code Issues Releases Wiki Activity

Add basic controls for dfa optimization

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This commit is contained in:
John Johansen
2010-01-08 04:30:56 -08:00
parent 926b0c72e8
commit dce395e7ad
4 changed files with 73 additions and 17 deletions
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44
parser/parser_main.c
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@@ -159,6 +159,7 @@ static void display_usage(char *command)
"-V, --version Display version info and exit\n"
"-d, --debug Debug apparmor definitions\n"
"-D [n], --dump Dump internal info for debugging\n"
"-O [n], --Optimize Control dfa optimizations\n"
"-h [command], --help Display this text or info about command\n"
,command);
}
@@ -187,6 +188,24 @@ static void display_dump(char *command)
,command);
}
static void display_optimize(char *command)
{
display_version();
printf("\n%s: -O [Option]\n\n"
"Options:\n"
"--------\n"
"0 no optimizations\n"
"equiv use equivalent classes\n"
"no-equiv don't use equivalent classes\n"
"expr-normalize do expr normalization\n"
"expr-simplify do expr tree simplification\n"
"no-expr-normalize don't do expr normalization\n"
"no-expr-simplify don't do expr tree simplification\n"
"expr-left-simplify do left simplification first\n"
"expr-right-simplify do right simplification first\n"
,command);
}
void pwarn(char *fmt, ...)
{
va_list arg;
@@ -216,7 +235,7 @@ static int process_args(int argc, char *argv[])
int count = 0;
option = OPTION_ADD;
while ((c = getopt_long(argc, argv, "adf:h::rRVvI:b:BCD:NSm:qQn:XKTWk", long_options, &o)) != -1)
while ((c = getopt_long(argc, argv, "adf:h::rRVvI:b:BCD:NSm:qQn:XKTWkO:", long_options, &o)) != -1)
{
switch (c) {
case 0:
@@ -319,6 +338,29 @@ static int process_args(int argc, char *argv[])
exit(1);
}
break;
case 'O':
skip_cache = 1;
if (strcmp(optarg, "0") == 0) {
dfaflags |= DFA_CONTROL_NO_TREE_NORMAL |
DFA_CONTROL_NO_TREE_SIMPLE;
} else if (strcmp(optarg, "equiv") == 0) {
dfaflags |= DFA_CONTROL_EQUIV;
} else if (strcmp(optarg, "no-equiv") == 0) {
dfaflags &= ~DFA_CONTROL_EQUIV;
} else if (strcmp(optarg, "expr-normalize") == 0) {
dfaflags &= ~DFA_CONTROL_NO_TREE_NORMAL;
} else if (strcmp(optarg, "no-expr-normalize") == 0) {
dfaflags |= DFA_CONTROL_NO_TREE_NORMAL;
} else if (strcmp(optarg, "expr-simplify") == 0) {
dfaflags &= ~DFA_CONTROL_NO_TREE_SIMPLE;
} else if (strcmp(optarg, "no-expr-simplify") == 0) {
dfaflags |= DFA_CONTROL_NO_TREE_SIMPLE;
} else if (strcmp(optarg, "expr-left-simplify") == 0) {
dfaflags |= DFA_CONTROL_TREE_LEFT;
} else if (strcmp(optarg, "expr-right-simplify") == 0) {
dfaflags &= ~DFA_CONTROL_TREE_LEFT;
}
break;
case 'm':
match_string = strdup(optarg);
break;